body {
  margin: 0;
  padding: 0;
}

.jindu-con {
  width: 300px;
  height: 10px;
  border-radius: 50px;
  background-color: white;
  margin-top: 10px;
  overflow: hidden;
}

#jindu {
  height: inherit;
  background-color: #007bff;
  width: 0;
}

#jindu-text-con {
  width: 300px;
  position: absolute;
  left: 0;
  right: 0;
  margin: 0 auto;
  top: 50%;
  text-align: center;
  background-color: rgba(255, 255, 255, .5);
  padding: 10px;
}